snitch
1. [ verb ] give away information about somebody
Synonyms: betray tell_on shit rat give_away peach grass shop stag denounce
Examples:

"He told on his classmate who had cheated on the exam"

Related terms: inform tip_off crap informer fink deserter
2. [ verb ] (criminal law) take by theft
Synonyms: glom thieve knock_off cop hook
Examples:

"Someone snitched my wallet!"

Related terms: steal larceny
3. [ noun ] someone acting as an informer or decoy for the police
Synonyms: stoolpigeon stoolie sneak canary sneaker snitcher fink
Related terms: informer denounce
Similar spelling:   snitcher
  snatch
  snatcher
  snatch_up